Jonathyn Andrew Marx, PA-C
- Medicare services, 2024
- 293
- Medicare patients, 2024
- 259
- Part D claims, 2024
- 18
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Practice address
- 200 Ave F NE, Winter Haven, FL 33881
- Practice phone
- Call (863) 293-1121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jonathyn Marx's professional email, personal email and mobile number
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Jonathyn Andrew Marx is a physician assistant in Winter Haven, Florida
Jonathyn Marx practices at BayCare Winter Haven Hospital in Winter Haven, Florida, part of BayCare Health System.
Jonathyn Marx's NPI, 1740850445, was assigned on June 26, 2021.
- NPI
- 1740850445NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345633111
- NPI enumeration date
- June 26, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (863) 293-1121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jonathyn Andrew Marx practices at BayCare Winter Haven Hospital in Winter Haven, Florida
Jonathyn Marx's primary practice is BayCare Winter Haven Hospital, at 200 Ave F NE, Winter Haven, FL 33881 in Polk County. The practice phone is (863) 293-1121.
- BayCare Winter Haven Hospital200 Ave F NE, Winter Haven, FL 33881 · Polk CountyPhone(863) 293-1121
Source: Dmand AI Affiliation Data
Jonathyn Andrew Marx is affiliated with 3 sites of care and 1 medical group
Jonathyn Marx's primary practice is BayCare Winter Haven Hospital in Winter Haven, Florida, part of BayCare Health System. Jonathyn Marx is also affiliated with Lakeland Regional Health Medical Center. The medical group on file is Radiology and Imaging Specialists. Dmand AI also links Jonathyn Marx to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jonathyn Andrew Marx's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jonathyn Marx practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| BayCare Winter Haven Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Jonathyn Andrew Marx is one of 7,899 physician assistants in Florida
Physician assistant is Jonathyn Marx's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Jonathyn Marx
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Jonathyn Andrew Marx billed Medicare for 293 services in 2024
CMS data shows 293 Medicare services from Jonathyn Marx across 9 procedure codes in 2024, for 259 Medicare patients. Medicare paid $18,770 for them.
Jonathyn Marx's Medicare services by type, 2024
- Surgery217
- Imaging35
- Office and hospital visits17
- Tests and treatments12
- Other services12
Where Jonathyn Marx's Medicare services took place, 2024
- In an office2910%
- In a facility26490%
Jonathyn Marx compared with the Florida median for physician assistants, 2024
- Jonathyn Marx
- Florida median
- Medicare services
- 293vs 3219% below
- Medicare patients
- 259vs 13099% above
- Part D claims
- 11vs 32697% below
Medians across 5,430 physician assistants in Florida with Dmand AI profiles that report each measure.
Jonathyn Marx's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Jonathyn Andrew Marx treated 259 Medicare patients in 2024, average age 75
CMS counts 259 Medicare patients who saw Jonathyn Marx in 2024. The largest group is 75 to 84, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 4.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Jonathyn Marx's median patient age at 72, with 41% women.
Jonathyn Marx's Medicare patients by age, 2024
Jonathyn Marx's Medicare patients by sex, 2024
- Women13050%
- Men12950%
Chronic conditions among Jonathyn Marx's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease67%
- Diabetes61%
- Heart failure56%
- Ischemic heart disease52%
- Mood disorders52%
- Atrial fibrillation49%
Share of Medicare patients with each condition. A patient can have several.
Jonathyn Marx's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jonathyn Andrew Marx wrote 18 Medicare Part D claims in 2024
In 2024, Jonathyn Marx wrote 18 Medicare Part D claims for 12 patients. 89% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $33 in total drug cost.
Jonathyn Marx's Part D claims by kind of drug, 2024
- Generic16 claims89%
- Brand-name and other2 claims11%
Jonathyn Marx's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Jonathyn Andrew Marx scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Jonathyn Marx for performance year 2024, reported as part of a group. Jonathyn Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Jonathyn Marx's MIPS scores, performance year 2024
- 87of 100Final score
- 85of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Jonathyn Andrew Marx received $45 in industry payments in 2024
CMS Open Payments shows 2 general payments to Jonathyn Marx from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $23.
Companies that paid Jonathyn Marx the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jonathyn Andrew Marx's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Jonathyn Andrew Marx
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jonathyn Andrew Marx's NPI number?
Jonathyn Andrew Marx's NPI number is 1740850445. It was assigned on June 26, 2021, and it is active in the NPI Registry.
What does Jonathyn Andrew Marx specialize in?
Jonathyn Andrew Marx is a physician assistant in Winter Haven, Florida. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jonathyn Andrew Marx practice?
Jonathyn Marx practices at 200 Ave F NE, Winter Haven, FL 33881. Jonathyn Marx's primary practice is BayCare Winter Haven Hospital in Winter Haven, Florida, part of BayCare Health System. Dmand AI also links Jonathyn Marx to 1 group practice or clinic.
What is Jonathyn Andrew Marx's office phone number?
The practice phone on file for Jonathyn Marx is (863) 293-1121.
Which hospitals is Jonathyn Andrew Marx affiliated with?
Jonathyn Marx practices at BayCare Winter Haven Hospital in Winter Haven, Florida. Jonathyn Marx is also affiliated with Lakeland Regional Health Medical Center.
What medical group is Jonathyn Andrew Marx part of?
Jonathyn Marx is linked to Radiology and Imaging Specialists.
Does Jonathyn Andrew Marx accept Medicare?
Yes. CMS data shows Jonathyn Marx billed Medicare for 293 services in 2024, and Jonathyn Marx accepts Medicare assignment.
What is Jonathyn Andrew Marx's MIPS score?
Jonathyn Marx's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Jonathyn Andrew Marx see?
CMS counts 259 Medicare patients who saw Jonathyn Marx in 2024, with an average age of 75.
What services does Jonathyn Andrew Marx bill to Medicare?
In 2024, Jonathyn Marx's most billed Medicare services were surgery: lungs and airway (32555), surgery: digestive system (49083) and surgery: heart and blood vessels (36573).
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What drugs does Jonathyn Andrew Marx prescribe most?
In 2024 Medicare Part D data, Jonathyn Marx's most prescribed drugs by claims were Clopidogrel.
Has Jonathyn Andrew Marx received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Jonathyn Marx from 2 companies from 2024 to 2024. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Jonathyn Andrew Marx been practicing?
Jonathyn Marx graduated from medical school in 2021, 5 years ago.
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